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Finding the Fourth Proportional to 12,175.58, 16,801.90 and 6,797.79

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Solution

The fourth proportional to 12,175.58, 16,801.90 and 6,797.79 is: 9,380.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.58 : 16,801.90 = 6,797.79 : x
  2. Step 2: Convert to fraction form
    12,175.58/16,801.90 = 6,797.79/x
  3. Step 3: Cross multiply
    12,175.58x = 16,801.90 × 6,797.79
  4. Step 4: Simplify right side
    12,175.58x = 114,215,770.81
  5. Step 5: Solve for x
    x = 114,215,770.81/12,175.58
  6. Step 6: Final answer
    x = 9,380.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.